Estimation and costing of wiring MCQ with Answers

Estimation and costing of wiring MCQ with Answers

16) Which factor determines the size of wire used for industrial wiring?

Answer is:

Load current

17) Which is the distance of saddles to be fixed from the centre of bends (or) couplings in metal circuit wiring?

Answer is:

30cm

18) Which is the alpha numberic rotation for apparatus AC 3 phase system?

Answer is:

U,V,W,N

19) Which is the minimum size of copper conductor used for power wiring in commercial wiring as per IE rule?

Answer is:

2.5 mm²

20) Which is the minimum size of PVC conduit used in government installations prescribed by CPWD?

Answer is:

19mm

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